Delay

Delay

Definition(s)

Delay

To slow the progression of an intentional act. Source: API RP 781 Security Plan Methodology for the Oil and Natural Gas Industries.1st Ed. September 2016. Global Standards

Delay

A countermeasures strategy that is intended to provide various barriers to slow the progress of a threat in penetrating a site to prevent an attack or theft or in leaving a restricted area to assist in apprehension and prevention of theft.

Source:API STANDARD 780, Security Risk Assessment Methodology for the Petroleum and Petrochemical Industries, First Edition, May 2013. Global Standards
Cyber Security

Cyber Security

Definition(s)

Cyber Security

Actions required to preclude unauthorized use of, denial service to, modifications to, disclosure of, loss of revenue from or destruction of critical systems or informational assets. Source:  DNVGL-RP-G108, Cyber security in the oil and gas industry based on IEC 62443, DNV GL, September 2017. Global Standards

Cyber Security

Protection of critical information systems including hardware, software, infrastructure, and data from loss, corruption, theft, or damage.

Source:API STANDARD 780, Security Risk Assessment Methodology for the Petroleum and Petrochemical Industries, First Edition, May 2013. Global Standards
Countermeasures Analysis

Countermeasures Analysis

Definition(s)

Countermeasures Analysis

A comparison of the expected effectiveness of the existing countermeasures for a given risk against the level of effectiveness judged to be required in order to determine the need for enhanced security measures.

Source:API STANDARD 780, Security Risk Assessment Methodology for the Petroleum and Petrochemical Industries, First Edition, May 2013. Global Standards
Cost

Cost

Definition(s)

Cost

Includes tangible items such as money and equipment as well as the operational costs associated with the implementation of countermeasures. There are also intangible costs such as lost productivity, morale considerations, political embarrassment, and a variety of others. Costs may be borne by the individuals who are affected, the corporations they work for, or they may involve macroeconomic costs to society.

Source:API STANDARD 780, Security Risk Assessment Methodology for the Petroleum and Petrochemical Industries, First Edition, May 2013. Global Standards  

Cost

Value of impact to an organization or person that can be measured.

Source: ANSI/ISA–99.00.01–2007, Security for Industrial Automation and Control Systems, Part 1: Terminology, Concepts, and Models, 29 October 2007. National Standard
Benefit

Benefit

Definition(s)

Benefit

Amount of expected risk reduction based on the overall effectiveness of countermeasures.

Source:API STANDARD 780, Security Risk Assessment Methodology for the Petroleum and Petrochemical Industries, First Edition, May 2013. Global Standards
Attractiveness

Attractiveness

Definition(s)

Attractiveness

  1. An estimate of the value of a target to a threat. Consideration shall be given to the following factors in defining the threat and in determining the need for any enhanced countermeasures:
  2. potential for mass casualties/fatalities;
  3. extensive property damage;
  4. proximity to national assets or landmarks;
  5. possible disruption or damage to critical infrastructure;
  6. disruption of the national, regional, or local economy;
  7. ease of access to target;
  8. media attention or possible interest of the media;
  9. company reputation and brand exposure;
  10. the presence of on-site materials that can be used as a chemical or biological weapon (or precursor materials that can be used to develop chemical or biological weapons).
Source: API RP 781 Security Plan Methodology for the Oil and Natural Gas Industries.1st Ed. September 2016. Global Standards  

Attractiveness

An estimate of the value of a target to a threat. Consideration shall be given to the following factors in defining the threat and in determining the need for any enhanced countermeasures:
  1. potential for mass casualties/fatalities;
  2. extensive property damage;
  3. proximity to national assets or landmarks;
  4. possible disruption or damage to critical infrastructure;
  5. disruption of the national, regional, or local economy;
  6. ease of access to target;
  7. media attention or possible interest of the media;
  8. company reputation and brand exposure.
  9. the presence of on-site materials that can be used as a chemical or biological weapon (or precursor materials that can be used to develop chemical or biological weapons).
Source:API STANDARD 780, Security Risk Assessment Methodology for the Petroleum and Petrochemical Industries, First Edition, May 2013. Global Standards
Asset Category

Asset Category

Definition(s)

Asset Category

Assets may be categorized in many ways. Among these are:
  • People,
  • Hazardous materials (used or produced),
  • Information
  • Environment
  • Equipment
  • Facilities
  • Activities/operations
  • Company reputation
Source:API STANDARD 780, Security Risk Assessment Methodology for the Petroleum and Petrochemical Industries, First Edition, May 2013. Global Standards
TVD

TVD

Definition(s)

TVD

True Vertical Depth. Source: ISO 16530-1:2017, Petroleum and natural gas industries — Well integrity – Part 1: Life cycle governance, First Edition, March 2017. Global Standards Source:API SPECIFICATION 19TT, Specification for Downhole Well Test Tools and Related Equipment, First Edition, October 2016. Global Standards
TMD

TMD

Definition(s)

TMD

Total measured depth. Source:API SPECIFICATION 19TT, Specification for Downhole Well Test Tools and Related Equipment, First Edition, October 2016. Global Standards
RIH

RIH

Definition(s)

RIH

Running in hole. Source:API SPECIFICATION 19TT, Specification for Downhole Well Test Tools and Related Equipment, First Edition, October 2016. Global Standards
POOH

POOH

Definition(s)

POOH

Pulling of out hole. Source:API SPECIFICATION 19TT, Specification for Downhole Well Test Tools and Related Equipment, First Edition, October 2016. Global Standards
PED

PED

Definition(s)

PED

Pressure Equipment Directive. Source:API SPECIFICATION 19TT, Specification for Downhole Well Test Tools and Related Equipment, First Edition, October 2016. Global Standards
DST

DST

Definition(s)

DST

Drill stem test. Source: Norwegian Oil and Gas Association, Guideline No. 135, Recommended Guidelines for Classification and categorization of well control incidents and well integrity incidents, Rev. 4, 27 June 2017, National or Regional Standards

Source:API SPECIFICATION 19TT, Specification for Downhole Well Test Tools and Related Equipment, First Edition, October 2016. Global Standards

Work String Tester Valve

Work String Tester Valve

Definition(s)

Work String Tester Valve

A downhole device that is designed to integrity test the BHA and work string.

Source:API SPECIFICATION 19TT, Specification for Downhole Well Test Tools and Related Equipment, First Edition, October 2016. Global Standards
Well Testing Safety Valve

Well Testing Safety Valve

Definition(s)

Well Testing Safety Valve

A downhole device that is designed to close, typically with annulus overpressure, to isolate the formation from the work string.

Source:API SPECIFICATION 19TT, Specification for Downhole Well Test Tools and Related Equipment, First Edition, October 2016. Global Standards
Well Testing Packer

Well Testing Packer

Definition(s)

Well Testing Packer

A sealing and load-bearing device that isolates the formation from annulus fluids and conforms to Annex E.

Source:API SPECIFICATION 19TT, Specification for Downhole Well Test Tools and Related Equipment, First Edition, October 2016. Global Standards
Tool End Connection

Tool End Connection

Definition(s)

Tool End Connection

Uppermost and lowermost interface/connection of the downhole well test tool.

Source:API SPECIFICATION 19TT, Specification for Downhole Well Test Tools and Related Equipment, First Edition, October 2016. Global Standards
Tool

Tool

Definition(s)

Tool

Device that is designed to perform specific function(s) within the well testing BHA.

Source:API SPECIFICATION 19TT, Specification for Downhole Well Test Tools and Related Equipment, First Edition, October 2016. Global Standards
Testing Surface Safety Valve

Testing Surface Safety Valve

Definition(s)

Testing Surface Safety Valve

Fail-closed surface-controlled safety valve placed near surface below the rotary (typically on land and jack-up operations) that performs a barrier function with pump-through and chemical injection capability.

Source:API SPECIFICATION 19TT, Specification for Downhole Well Test Tools and Related Equipment, First Edition, October 2016. Global Standards
TSSV

TSSV

Definition(s)

TSSV

Testing surface safety valve. Source:API SPECIFICATION 19TT, Specification for Downhole Well Test Tools and Related Equipment, First Edition, October 2016. Global Standards  

TSSV

Fail-closed surface-controlled safety valve placed near surface below the rotary (typically on land and jack-up operations) that performs a barrier function with pump-through and chemical injection capability. Source:API SPECIFICATION 19TT, Specification for Downhole Well Test Tools and Related Equipment, First Edition, October 2016. Global Standards
Tester Valve

Tester Valve

Definition(s)

Tester Valve

Downhole device having open and closed positions providing communication/isolation with the formation.

Source:API SPECIFICATION 19TT, Specification for Downhole Well Test Tools and Related Equipment, First Edition, October 2016. Global Standards
Surface Treatment

Surface Treatment

Definition(s)

Surface Treatment

Process designed to alter the surface of a material to achieve a desired property such as hardness or corrosion resistance.

Source:API SPECIFICATION 19TT, Specification for Downhole Well Test Tools and Related Equipment, First Edition, October 2016. Global Standards
Subassembly

Subassembly

Definition(s)

Subassembly

Subordinate unit consisting of two or more components assembled for incorporation as an integral portion of a tool, which may be independently performance tested before its integration.

Source:API SPECIFICATION 19TT, Specification for Downhole Well Test Tools and Related Equipment, First Edition, October 2016. Global Standards
Stress Relieving

Stress Relieving

Definition(s)

Stress Relieving

Controlled heating of material to a predetermined temperature for the purpose of reducing any residual stresses.

Source:API SPECIFICATION 19TT, Specification for Downhole Well Test Tools and Related Equipment, First Edition, October 2016. Global Standards
Stick-up

Stick-up

Definition(s)

Stick-up

Distance between the rotary table and the lower most part of the surface test tree.

Source:API SPECIFICATION 19TT, Specification for Downhole Well Test Tools and Related Equipment, First Edition, October 2016. Global Standards
Service Center

Service Center

Definition(s)

Service Center

A location where equipment is inspected, repaired, and tested to maintain supplier/manufacturer’s specifications.

Source:API SPECIFICATION 19TT, Specification for Downhole Well Test Tools and Related Equipment, First Edition, October 2016. Global Standards
Sealing Element

Sealing Element

Definition(s)

Sealing Element

Device preventing passage (i.e. communication) of liquid and/or gas across the interface in which it is placed.

Source:API SPECIFICATION 19TT, Specification for Downhole Well Test Tools and Related Equipment, First Edition, October 2016. Global Standards
Sampler Carriers

Sampler Carriers

Definition(s)

Sampler Carriers

Tool used to convey fluid samplers downhole.

Source:API SPECIFICATION 19TT, Specification for Downhole Well Test Tools and Related Equipment, First Edition, October 2016. Global Standards
Safety Joint

Safety Joint

Definition(s)

Safety Joint

A device to allow an intentional controlled separation of the work string or bottomhole assembly (BHA). Source:API SPECIFICATION 19TT, Specification for Downhole Well Test Tools and Related Equipment, First Edition, October 2016. Global Standards
Run

Run

Definition(s)

Run

Act of deploying downhole tools below the rotary table after connection to the work string.

Source:API SPECIFICATION 19TT, Specification for Downhole Well Test Tools and Related Equipment, First Edition, October 2016. Global Standards